![Testing Apple Watch Series 4 half marathon battery life with cellular off: over 50% after 2 hours - 9to5Mac Testing Apple Watch Series 4 half marathon battery life with cellular off: over 50% after 2 hours - 9to5Mac](https://i0.wp.com/9to5mac.com/wp-content/uploads/sites/6/2018/12/watch-battery-half-marathon.jpg?resize=1200%2C628&quality=82&strip=all&ssl=1)
Testing Apple Watch Series 4 half marathon battery life with cellular off: over 50% after 2 hours - 9to5Mac
![Is your Apple Watch battery worn and in need of replacing? Here's how to tell without taking it off your wrist | ZDNET Is your Apple Watch battery worn and in need of replacing? Here's how to tell without taking it off your wrist | ZDNET](https://www.zdnet.com/a/img/resize/6ba93c94025a4e038eb484eded31da5030dd53e9/2020/10/03/36ee4978-7f67-4f46-8855-c71c91f911af/img-6739x.jpg?auto=webp&fit=crop&height=1200&width=1200)
Is your Apple Watch battery worn and in need of replacing? Here's how to tell without taking it off your wrist | ZDNET
![Amazon.com: for Apple Watch 1st Generation 38mm A1553 Replacement Battery A1578 205mAh 0.78Whr 3.8V + Adhesive&Tools : Cell Phones & Accessories Amazon.com: for Apple Watch 1st Generation 38mm A1553 Replacement Battery A1578 205mAh 0.78Whr 3.8V + Adhesive&Tools : Cell Phones & Accessories](https://m.media-amazon.com/images/I/71lK0LhcsqL.jpg)
Amazon.com: for Apple Watch 1st Generation 38mm A1553 Replacement Battery A1578 205mAh 0.78Whr 3.8V + Adhesive&Tools : Cell Phones & Accessories
![Is this normal? Battery health down to 94% on my series 6. Less than a year old. Charges to 100% then I wear it while I sleep. : r/AppleWatch Is this normal? Battery health down to 94% on my series 6. Less than a year old. Charges to 100% then I wear it while I sleep. : r/AppleWatch](https://i.redd.it/1a4odiq90li71.jpg)